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Layer-by-layer self-assembly of pillared two-dimensional multilayers

Author

Listed:
  • Weiqian Tian

    (Department of Fibre and Polymer Technology, KTH Royal Institute of Technology
    KTH Royal Institute of Technology)

  • Armin VahidMohammadi

    (Auburn University)

  • Zhen Wang

    (Department of Fibre and Polymer Technology, KTH Royal Institute of Technology
    KTH Royal Institute of Technology)

  • Liangqi Ouyang

    (Department of Fibre and Polymer Technology, KTH Royal Institute of Technology)

  • Majid Beidaghi

    (Auburn University)

  • Mahiar M. Hamedi

    (Department of Fibre and Polymer Technology, KTH Royal Institute of Technology
    KTH Royal Institute of Technology)

Abstract

We report Layer-by-Layer (LbL) self-assembly of pillared two-dimensional (2D) multilayers, from water, onto a wide range of substrates. This LbL method uses a small molecule, tris(2-aminoethyl) amine (TAEA), and a colloidal dispersion of Ti3C2Tx MXene to LbL self-assemble (MXene/TAEA)n multilayers, where n denotes the number of bilayers. Assembly with TAEA results in highly ordered (MXene/TAEA)n multilayers where the TAEA expands the interlayer spacing of MXene flakes by only ~ 1 Å and reinforces the interconnection between them. The TAEA-pillared MXene multilayers show the highest electronic conductivity of 7.3 × 104 S m−1 compared with all reported MXene multilayers fabricated by LbL technique. The (MXene/TAEA)n multilayers could be used as electrodes for flexible all-solid-state supercapacitors delivering a high volumetric capacitance of 583 F cm−3 and high energy and power densities of 3.0 Wh L−1 and 4400 W L−1, respectively. This strategy enables large-scale fabrication of highly conductive pillared MXene multilayers, and potentially fabrication of other 2D heterostructures.

Suggested Citation

  • Weiqian Tian & Armin VahidMohammadi & Zhen Wang & Liangqi Ouyang & Majid Beidaghi & Mahiar M. Hamedi, 2019. "Layer-by-layer self-assembly of pillared two-dimensional multilayers," Nature Communications, Nature, vol. 10(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-10631-0
    DOI: 10.1038/s41467-019-10631-0
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    Cited by:

    1. Kit-Ying Chan & Xi Shen & Jie Yang & Keng-Te Lin & Harun Venkatesan & Eunyoung Kim & Heng Zhang & Jeng-Hun Lee & Jinhong Yu & Jinglei Yang & Jang-Kyo Kim, 2022. "Scalable anisotropic cooling aerogels by additive freeze-casting," Nature Communications, Nature, vol. 13(1), pages 1-12, December.
    2. Ur Rehman, Ata & Zhao, Tianyu & Shah, Muhammad Zahir & Khan, Yaqoob & Hayat, Asif & Dang, Changwei & Zheng, Maosheng & Yun, Sining, 2023. "Nanoengineering of MgSO4 nanohybrid on MXene substrate for efficient thermochemical heat storage material," Applied Energy, Elsevier, vol. 332(C).
    3. Changshi, Liu, 2021. "Reliable and precise evaluation energy-transfer and efficiency of super-capacitors," Renewable and Sustainable Energy Reviews, Elsevier, vol. 151(C).

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